:root {
  --bg: #05010f;
  --bg-panel: rgba(8, 4, 24, 0.82);
  --cyan: #00f0ff;
  --magenta: #ff2bd6;
  --gold: #ffd24a;
  --red: #ff3355;
  --green: #3dff9a;
  --text: #eef6ff;
  --muted: #9aa6c3;
  --border: rgba(0, 240, 255, 0.35);
  --font-display: "Orbitron", system-ui, sans-serif;
  --font-body: "Rajdhani", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  user-select: none;
  touch-action: none;
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#game-canvas,
#slash-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#slash-canvas {
  pointer-events: none;
  z-index: 2;
}

.hidden {
  display: none !important;
}

/* —— Screens —— */
.screen {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background:
    radial-gradient(ellipse at 50% 20%, rgba(255, 43, 214, 0.18), transparent 55%),
    radial-gradient(ellipse at 70% 80%, rgba(0, 240, 255, 0.12), transparent 50%),
    rgba(3, 0, 12, 0.55);
  backdrop-filter: blur(4px);
}

.menu-panel {
  width: min(520px, 100%);
  padding: 1.75rem 1.5rem 1.5rem;
  border-radius: 18px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  box-shadow:
    0 0 0 1px rgba(255, 43, 214, 0.15),
    0 0 40px rgba(0, 240, 255, 0.12),
    0 20px 60px rgba(0, 0, 0, 0.55);
  text-align: center;
}

.menu-panel.compact {
  width: min(360px, 100%);
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: var(--cyan);
  margin-bottom: 0.6rem;
}

.title {
  font-family: var(--font-display);
  line-height: 0.95;
  margin-bottom: 0.75rem;
}

.title-maria {
  display: block;
  font-size: clamp(2.2rem, 8vw, 3.4rem);
  font-weight: 900;
  color: var(--magenta);
  text-shadow: 0 0 18px rgba(255, 43, 214, 0.75);
}

.title-slays {
  display: block;
  font-size: clamp(1.5rem, 5.5vw, 2.2rem);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.12em;
  text-shadow: 0 0 16px rgba(0, 240, 255, 0.65);
}

.tagline {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.menu-art {
  height: 120px;
  margin: 0.5rem auto 1rem;
  border-radius: 12px;
  background:
    center / cover no-repeat url("../assets/images/bg-keyart.jpg"),
    #0a0418;
  border: 1px solid rgba(0, 240, 255, 0.25);
  box-shadow: 0 0 24px rgba(255, 43, 214, 0.2);
}

.how-to {
  list-style: none;
  text-align: left;
  margin: 0 auto 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.98rem;
  color: #c9d4ee;
}

.how-to li {
  margin: 0.35rem 0;
  padding-left: 0.2rem;
}

.how-to strong {
  color: var(--cyan);
}

.how-to em {
  color: var(--red);
  font-style: normal;
  font-weight: 700;
}

.hint {
  margin-top: 0.85rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.btn {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  border: none;
  border-radius: 999px;
  padding: 0.9rem 1.6rem;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
  width: 100%;
  margin-top: 0.55rem;
}

.btn.primary {
  color: #05010f;
  background: linear-gradient(120deg, var(--cyan), #7dfff5 40%, var(--magenta));
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.35);
}

.btn.primary:hover:not(:disabled) {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 0 32px rgba(255, 43, 214, 0.45);
}

.btn.primary:disabled {
  opacity: 0.55;
  cursor: wait;
  filter: grayscale(0.3);
}

.btn.ghost {
  color: var(--text);
  background: transparent;
  border: 1px solid rgba(0, 240, 255, 0.35);
}

.btn.ghost:hover {
  border-color: var(--magenta);
  color: var(--magenta);
}

.score-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 1rem 0 1.25rem;
}

.score-grid > div {
  padding: 0.65rem;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.new-record {
  font-family: var(--font-display);
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
  text-shadow: 0 0 12px rgba(255, 210, 74, 0.6);
  animation: pulse 1.2s ease-in-out infinite;
}

/* —— HUD —— */
#hud {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  padding: 0.9rem 1rem;
}

.hud-top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.hud-block {
  min-width: 90px;
}

.hud-block.center {
  text-align: center;
}

.hud-block.right {
  text-align: right;
}

.hud-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.hud-value {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.5vw, 1.7rem);
  font-weight: 700;
  color: var(--text);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.15);
}

.hud-value.cyan {
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(0, 240, 255, 0.55);
}

.hud-value.magenta {
  color: var(--magenta);
  text-shadow: 0 0 14px rgba(255, 43, 214, 0.55);
}

.health-wrap {
  margin-top: 0.75rem;
  max-width: 280px;
}

.health-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.25);
  overflow: hidden;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.5);
}

#health-fill {
  height: 100%;
  width: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
  transition: width 0.15s ease, background 0.2s ease;
}

#health-fill.low {
  background: linear-gradient(90deg, #7a0018, var(--red));
  box-shadow: 0 0 12px rgba(255, 51, 85, 0.55);
}

.power-banner {
  position: absolute;
  top: 22%;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  color: #05010f;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  box-shadow: 0 0 24px rgba(255, 43, 214, 0.45);
  animation: banner-in 0.35s ease;
}

#float-texts {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.float-text {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  pointer-events: none;
  animation: float-up 0.85s ease-out forwards;
  text-shadow: 0 0 10px currentColor;
  white-space: nowrap;
}

.icon-btn {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  z-index: 6;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(0, 240, 255, 0.35);
  background: rgba(8, 4, 24, 0.7);
  color: var(--cyan);
  font-size: 1rem;
  cursor: pointer;
  pointer-events: auto;
}

.icon-btn:hover {
  border-color: var(--magenta);
  color: var(--magenta);
}

.toast {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  background: rgba(8, 4, 24, 0.9);
  border: 1px solid var(--border);
  color: var(--cyan);
}

/* Screen shake via body class applied briefly */
#app.shake {
  animation: shake 0.28s linear;
}

#app.shake-hard {
  animation: shake-hard 0.4s linear;
}

@keyframes shake {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-4px, 2px); }
  40% { transform: translate(5px, -3px); }
  60% { transform: translate(-3px, -2px); }
  80% { transform: translate(3px, 3px); }
}

@keyframes shake-hard {
  0%, 100% { transform: translate(0, 0); }
  15% { transform: translate(-10px, 4px); }
  30% { transform: translate(12px, -6px); }
  45% { transform: translate(-8px, -5px); }
  60% { transform: translate(9px, 6px); }
  75% { transform: translate(-5px, 3px); }
}

@keyframes float-up {
  0% { opacity: 1; transform: translate(-50%, 0) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -48px) scale(1.25); }
}

@keyframes banner-in {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px) scale(0.9); }
  to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

@media (max-width: 520px) {
  .menu-panel {
    padding: 1.25rem 1rem;
  }
  .how-to {
    font-size: 0.9rem;
  }
  .menu-art {
    height: 90px;
  }
}